Anchoring system with a sleeve element and an expansion element
AssigneeLudwig Hettich Holding GmbH & Co. KG
InventorUlrich Hettich
Life of this patent
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Abstract
The invention relates to an anchoring system for anchoring in a drill hole. The anchoring system comprises a sleeve element and an expansion element. The sleeve element consists at least in some sections of a plastics material and is suitable for insertion into a drill hole. The expansion element comprises a threaded portion into which the sleeve element can be screwed and is suitable to radially expand the sleeve element during the screwing action. The anchoring system is characterized in that the threaded portion has a thread pitch which varies along the threaded portion.
Claims31
An anchoring system for anchoring in a drill hole, comprising:
- a sleeve element which consists at least in some sections of plastics material and can be inserted into the drill hole, and
- an expansion element comprising a threaded portion which can be screwed into the sleeve element, the expansion element being suitable for radially expanding the sleeve element during a screwing action,
- wherein the threaded portion has a thread lead which varies along the threaded portion.
A method of fastening an item to an anchoring base, comprising:
- inserting a sleeve element which consists at least in some sections of plastics material, into a drill hole, and
- fastening the item to the anchoring base with the aid of an expansion element comprising a threaded portion, by screwing the expansion element into the sleeve element in order to expand the sleeve element radially,
- wherein the threaded portion has a thread lead which varies along the threaded portion.
Dependencies are inferred from the claim text.